/*
 * Copyright (C) 2004 NNL Technology AB
 * Visit www.infonode.net for information about InfoNode(R) 
 * products and how to contact NNL Technology AB.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, 
 * MA 02111-1307, USA.
 */

// $Id: EmptyIterator.java,v 1.2 2005/05/13 15:07:02 johan Exp $
package net.infonode.util.collection;

import java.util.Iterator;
import java.util.NoSuchElementException;

import org.omg.PortableServer.ID_ASSIGNMENT_POLICY_ID;

/**
 * @author $Author: johan $
 * @version $Revision: 1.2 $
 */
public class EmptyIterator implements Iterator {
	public static final EmptyIterator INSTANCE = new EmptyIterator();

	private EmptyIterator() {
	}

	@Override
	public void remove() {
		throw new UnsupportedOperationException();
	}

	@Override
	public boolean hasNext() {
		return false;
	}

	@Override
	public Object next() throws NoSuchElementException {
		try {
			throw new UnsupportedOperationException();
		} catch (Exception e) {
			throw new NoSuchElementException();
		}
	}
}
